Leslie Lampton net worth: Leslie Lampton is an American businessman who has a net worth of $2.4 billion dollars. Born in Jackson, Mississippi, Leslie Lampton graduated from the University of Mississippi, and made his fortune after he launched Ergon, Inc., an oil refinery and distribution company. He has since grown the company to include refineries in multiple states, including Arkansas and West Virginia. Ergon also diversified, and now manufactures electronics for communication, such as computer boards, security equipment, and products for maintenance. Some of the subsidiary companies include Crafco, Inc., which is devoted to pavement maintenance and repair; Lampton-Love, Inc., which distributes liquid petroleum gas all over the US; and Diversified Technology, Inc., which is focused on computer systems. Additionally, he owns over 500 wells in the Deep South, primarily in Louisiana and Texas, and an ethanol factory in Mississippi. In 2008, he was involved with a treasury department investigation regarding how a Mississippi State Supreme Court Justice's tax records were leaked.